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I have the following issue with a qubino switch (see razberry log below). It seems to be related to the power meter in the switch but I dont understand what this 3 command is ?

Thanks for your support,

Camille

[2015-02-25 16:08:45.887] [C] [zway] Node 19:0 CC Meter: Unknown command 0x03
[2015-02-25 16:08:45.887] [E] [zway] Error returned from _zway_cc_call_handler(zway, command, controller->id, 0, data[4], &data[5]): Not implemented by the library (-3)

Command 3 for Meter is SUPPORTED GET, i.e. device is asking controller for supported meter scales. Obviously, controller doesn't support Meter CC.

It might be requested either because of a bug in the device, or because of some radio noice. Anyway, it is an invalid command and you should ignore it.